Sioux Valley, SD Weather


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The most pleasant months of the year for Sioux Valley are September, June and August. In Sioux Valley, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Sioux Valley with an average high temperature of 85.0°, which ranks it as about average compared to other places in South Dakota. December is the snowiest month in Sioux Valley with 7.5 inches of snow, and 7 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.

Today's Weather - Sioux Valley, SD

6 PM PST

Mostly Clear

41°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TonightMostly Clear28° / 51°NW 10 to 15 mph
Saturday NightMostly Clear29° / 60°WNW 5 to 15 mph
Sunday NightMostly Clear39° / 70°SSW 10 to 15 mph
Monday NightChance Rain Showers44° / 61°W 10 to 20 mph
Tuesday NightSlight Chance Rain Showers then Mostly Clear36° / 63°N 10 to 20 mph
Wednesday NightMostly Cloudy then Slight Chance Rain Showers44° / 64°SE 10 to 15 mph
Thursday NightShowers And Thunderstorms Likely48° / 63°SE 15 to 20 mph

Average Monthly High and Low (°F)
HighLow
January29°
February34° 13°
March46° 24°
April61° 35°
May72° 48°
June81° 58°
July85° 63°
August83° 60°
September76° 50°
October63° 37°
November45° 24°
December31° 12°
Hot, Freezing, Rainy, Snowy Days: Sioux Valley
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January03154
February02743
March02563
April01281
May11100
June40100
July7080
August4080
September2170
October0970
November02352
December03054

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

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